Sealing element of bottle cap



FIG. 1 is a perspective view of sealing element of bottle cap showing my present design,

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a right view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view. 

The ornamental design for sealing element of bottle cap, as shown and described. 